[INFO] fetching crate threader 0.0.4...
[INFO] testing threader-0.0.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate threader 0.0.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate threader 0.0.4
[INFO] finished tweaking crates.io crate threader 0.0.4
[INFO] tweaked toml for crates.io crate threader 0.0.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate threader 0.0.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.1.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0efc09a9bc508bedf97827bd080b4f59c6e169dee789d749fcf8f33d75843ffc
[INFO] running `Command { std: "docker" "start" "-a" "0efc09a9bc508bedf97827bd080b4f59c6e169dee789d749fcf8f33d75843ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efc09a9bc508bedf97827bd080b4f59c6e169dee789d749fcf8f33d75843ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efc09a9bc508bedf97827bd080b4f59c6e169dee789d749fcf8f33d75843ffc", kill_on_drop: false }`
[INFO] [stdout] 0efc09a9bc508bedf97827bd080b4f59c6e169dee789d749fcf8f33d75843ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3193ac7fa0727cf3a5d48c028693ca082c15084c328da59e97eadcf2a6b076c7
[INFO] running `Command { std: "docker" "start" "-a" "3193ac7fa0727cf3a5d48c028693ca082c15084c328da59e97eadcf2a6b076c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling threader v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg(not(release))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(release)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_clone` is never used
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl TcpStream {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |     workers: Vec<(JoinHandle<()>, Arc<worker::Handle>)>,
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidGuard` is never constructed
[INFO] [stdout]   --> src/thread_pool/task/raw.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct InvalidGuard;
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "3193ac7fa0727cf3a5d48c028693ca082c15084c328da59e97eadcf2a6b076c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3193ac7fa0727cf3a5d48c028693ca082c15084c328da59e97eadcf2a6b076c7", kill_on_drop: false }`
[INFO] [stdout] 3193ac7fa0727cf3a5d48c028693ca082c15084c328da59e97eadcf2a6b076c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccddc42e4beb5b88db818fee44f7e6a6ebd32a0f539bc69446e46c2e23f1c770
[INFO] running `Command { std: "docker" "start" "-a" "ccddc42e4beb5b88db818fee44f7e6a6ebd32a0f539bc69446e46c2e23f1c770", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg(not(release))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(release)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_clone` is never used
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl TcpStream {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |     workers: Vec<(JoinHandle<()>, Arc<worker::Handle>)>,
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidGuard` is never constructed
[INFO] [stdout]   --> src/thread_pool/task/raw.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct InvalidGuard;
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling threader v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg(not(release))]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]   --> src/utils/debug_utils.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(release)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/thread_pool/mod.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |             fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_clone` is never used
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl TcpStream {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 44 |     workers: Vec<(JoinHandle<()>, Arc<worker::Handle>)>,
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidGuard` is never constructed
[INFO] [stdout]   --> src/thread_pool/task/raw.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct InvalidGuard;
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "ccddc42e4beb5b88db818fee44f7e6a6ebd32a0f539bc69446e46c2e23f1c770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccddc42e4beb5b88db818fee44f7e6a6ebd32a0f539bc69446e46c2e23f1c770", kill_on_drop: false }`
[INFO] [stdout] ccddc42e4beb5b88db818fee44f7e6a6ebd32a0f539bc69446e46c2e23f1c770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8996a580d14a664562522402f2f16ec11ddac993a65dfd34a2cde76db377e266
[INFO] running `Command { std: "docker" "start" "-a" "8996a580d14a664562522402f2f16ec11ddac993a65dfd34a2cde76db377e266", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ptr,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InvalidGuard`
[INFO] [stderr]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stderr]   |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `release`
[INFO] [stderr]   --> src/utils/debug_utils.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[cfg(not(release))]
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `release`
[INFO] [stderr]   --> src/utils/debug_utils.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[cfg(release)]
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/thread_pool/worker.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/utils/thread_parker.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `try_clone` is never used
[INFO] [stderr]    --> src/net/tcp.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr]  71 | impl TcpStream {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `count` is never read
[INFO] [stderr]   --> src/thread_pool/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct ThreadPool {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 44 |     workers: Vec<(JoinHandle<()>, Arc<worker::Handle>)>,
[INFO] [stderr] 45 |     count: usize,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InvalidGuard` is never constructed
[INFO] [stderr]   --> src/thread_pool/task/raw.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub(crate) struct InvalidGuard;
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `threader` (lib) generated 10 warnings (run `cargo fix --lib -p threader` to apply 2 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/thread_pool/mod.rs:252:21
[INFO] [stderr]     |
[INFO] [stderr] 252 |             fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `threader` (lib test) generated 11 warnings (10 duplicates) (run `cargo fix --lib -p threader --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/threader-67c8d55e165acef8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test net::tcp::tests::connect_test ... ignored
[INFO] [stdout] test thread_pool::tests::bad_future ... ignored
[INFO] [stdout] test thread_pool::tests::time_threader ... ignored
[INFO] [stdout] test net::tcp::tests::listener_stream_connect ... ok
[INFO] [stdout] test net::tcp::tests::connect_invalid_port ... ok
[INFO] [stdout] test thread_pool::tests::custom_thread_count ... ok
[INFO] [stdout] test thread_pool::tests::zero_threads - should panic ... ok
[INFO] [stdout] test thread_pool::tests::simple ... ok
[INFO] [stdout] test thread_pool::tests::reschedule ... ok
[INFO] [stderr]    Doc-tests threader
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 4.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker (line 22) ... ok
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::with_threads (line 79) ... ok
[INFO] [stdout] test src/utils/debug_utils.rs - utils::debug_utils::debug_unreachable (line 8) ... ok
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::unparker (line 70) ... ok
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::new (line 57) ... ok
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool (line 23) ... ok
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::new (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8996a580d14a664562522402f2f16ec11ddac993a65dfd34a2cde76db377e266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8996a580d14a664562522402f2f16ec11ddac993a65dfd34a2cde76db377e266", kill_on_drop: false }`
[INFO] [stdout] 8996a580d14a664562522402f2f16ec11ddac993a65dfd34a2cde76db377e266
